diff options
Diffstat (limited to 'src/afl-fuzz-init.c')
-rw-r--r-- | src/afl-fuzz-init.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/src/afl-fuzz-init.c b/src/afl-fuzz-init.c index a69c3b61..fe2be4d2 100644 --- a/src/afl-fuzz-init.c +++ b/src/afl-fuzz-init.c @@ -270,7 +270,9 @@ void setup_post(afl_state_t *afl) { void *dh; u8 * fn = afl->afl_env.afl_post_library; + u8 tbuf[6]; u32 tlen = 6; + strncpy(tbuf, "hello", tlen); if (!fn) return; @@ -281,10 +283,20 @@ void setup_post(afl_state_t *afl) { afl->post_handler = dlsym(dh, "afl_postprocess"); if (!afl->post_handler) FATAL("Symbol 'afl_postprocess' not found."); + afl->post_init = dlsym(dh, "afl_postprocess_init"); + if (!afl->post_init) FATAL("Symbol 'afl_postprocess_init' not found."); + afl->post_deinit = dlsym(dh, "afl_postprocess_deinit"); + if (!afl->post_deinit) FATAL("Symbol 'afl_postprocess_deinit' not found."); /* Do a quick test. It's better to segfault now than later =) */ - afl->post_handler("hello", &tlen); + u8 *post_buf = NULL; + afl->post_data = afl->post_init(afl); + if (!afl->post_data) FATAL("Could not initialize post handler."); + + size_t post_len = afl->post_handler(afl->post_data, tbuf, tlen, &post_buf); + if (!post_len || !post_buf) + SAYF("Empty return in test post handler for buf=\"hello\\0\"."); OKF("Postprocessor installed successfully."); |